DS21Q42 Просмотр технического описания (PDF) - Maxim Integrated
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DS21Q42 Datasheet PDF : 116 Pages
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DS21Q42
PIN
SYMBOL TYPE DESCRIPTION
39
RLCLK1
O Receive Link Clock from Framer 1
40
RCLK1
I Receive Clock for Framer 1
41
RNEG1
I Receive Bipolar Data for Framer 1
42
RPOS1
I Receive Bipolar Data for Framer 1
43
RSIG1
O Receive Signaling output from Framer 1
[RCHCLK1] [O] [Receive Channel Clock from Framer 1]
44
RCHBLK1
O Receive Channel Block from Framer 1
45
RSYSCLK1
I Receive System Clock for Elastic Store in Framer 1
46
A7
I Address Bus Bit 7
47
FMS
I Framer Mode Select
48
RSYNC1
I/O Receive Sync for Framer 1
49
RSER1
O Receive Serial Data from Framer 1
50
JTMS
I JTAG Test Mode Select
[RMSYNC1] [O] [Receive Multiframe Sync from Framer 1]
51
RFSYNC1
O Receive Frame Sync from Framer 1
52
JTCLK
I JTAG Test Clock
[RLOS/LOTC1] [O] [Receive Loss of Sync/Loss of Transmit clock from Framer 1]
53
TCLK1
I Transmit Clock for Framer 1
54
TLCLK1
O Transmit Link Clock from Framer 1
55
TSYNC1
I/O Transmit Sync for Framer 1
56
TLINK1
I Transmit Link Data for Framer 1
57
TEST
I Tri-state Control for all Output and I/O Pins
58
FS0
I Framer Select 0 for Parallel Control Port
59
FS1
I Framer Select 1 for Parallel Control Port
60
CS*
I Chip Select
61
BTS
I Bus Type Select for Parallel Control Port
62
RD*/(DS*)
I Read Input (Data Strobe)
63
WR*/(R/W*)
I Write Input (Read/Write)
64
MUX
I Nonmultiplexed or Multiplexed Bus Select
65
TSYSCLK2
I Transmit System Clock for Elastic Store in Framer 2
66
TSER2
I Transmit Serial Data for Framer 2
67
TSSYNC2
I Transmit Sync for Elastic Store in Framer 2
68
TSIG2
I Transmit Signaling Input for Framer 2
[TCHCLK2] [O] [Transmit Channel Clock from Framer 2]
69
TCHBLK2
O Transmit Channel Block from Framer 2
70
TPOS2
O Transmit Bipolar Data from Framer 2
71
TNEG2
O Transmit Bipolar Data from Framer 2
72
RLINK2
O Receive Link Data from Framer 2
73
RLCLK2
O Receive Link Clock from Framer 2
74
RCLK2
I Receive Clock for Framer 2
75
RNEG2
I Receive Bipolar Data for Framer 2
76
RPOS2
I Receive Bipolar Data for Framer 2
77
RSIG2
O Receive Signaling Output from Framer 2
[RCHCLK2] [O] [Receive Channel Clock from Framer 2]
78
VSS
— Signal Ground
79
VDD
— Positive Supply Voltage
80
RCHBLK2
O Receive Channel Block from Framer 2
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